Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 19 of 19 for “"community climate"”.
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Social and community support among nonmetropolitan gender and sexual minority youth: a mixed methods study
… have examined the role of communities, GSM community centers, and social supports in increasing or reducing risk among GSM youth living in varying community sizes. Additionally, although empirical evidence exists in support of PYD, this theory has rarely been used with GSM youth. The purpose …
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Race, place, and sexuality: a contextual understanding of LGB identity salience
… between residential context (racial exposure and community climate) and identity salience among 375 lesbian, gay, and bisexual (LGB) survey respondents. I hypothesized that LGB identity salience would vary by perceived community support or rejection of LGB people such that high salience occurs in …
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Development of DRAINMOD-based VBA model for evaluating drainage system response
… This study assesses the potential impacts of climate change on subsurface drainage design in Illinois. Climate model projections from two general circulation models (GCMs), namely CCSM4 (Community Climate System Model) and MIROC5 (Model for Interdisciplinary Research on Climate), were used to …
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Bias correction of global circulation model outputs using artificial neural networks
Climate studies and effective environmental management plans require unbiased climate datasets. This study develops a new bias correction approach using a three layer feedforward neural network to reduce the biases of climate variables (temperature and precipitation) over northern South America. …
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Convective Transport of Tropical Marine Boundary Layer Species into the Upper Troposphere and Relation to Species Lifetime: In Situ Measurements and Global Model Simulation
… examine simulations from the Whole Atmosphere Community Climate Model (WACCM) with artificial tracers with lifetimes similar to our observed trace gasses. The Community Atmosphere Model with chemistry (CAMchem) is also used. Modeled results fit well with results from measured trace gasses …
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Analyzing recent latitudinal and seasonal changes in simulated atmospheric temperatures from a global chemistry-climate model
… of warming for fingerprinting anthropogenic climate change using satellite data and the CMIP5 multi-model ensemble over 1979-2016. They identify the first seasonal fingerprint in the northern hemisphere annual cycle and structure of warming, but do not specify what forcing agent (e.g. ozone, …
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An investigation into the causes for the reduction in the variability of the El Niño-Southern Oscillation in the early Holocene in a global climate model
… cause for this using output from a Global Climate Model forced by present day and early Holocene boundary conditions, and a simplified model that is known to simulate the El Nino-Southern Oscillation (ENSO).We devise a scheme to incorporate mean state data, into the background states of a …
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The Influence of Pre-Migration Factors and Post-Migration Climate of the Receiving Community on the Psychological Distress of Latino Immigrants
… Research also suggests that the post-migration climate of the receiving community may inform the connection between pre-migration experiences and post-migration mental health. The current study examined the relationship between Latino immigrants’ reasons for migration, migration planning, and …
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Investigating Tropospheric Hydrogen Peroxide Trends from 1950-2014
… burden and trends between 1950 and 2014 from the Community Earth System Model - Whole Atmosphere Community Climate Model version 6 (CESM2-WACCM6). This is a global chemistry-climate model, with each of the 13 ensemble members simulating the historical period. Each has a miniscule difference in …
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Arctic synoptic activity associated with sea ice variability using self-organizing maps
… SOM analysis is used to quantify how the Community Climate System Model, Version 4 (CCSM4) captures synoptic activity in the twentieth and twenty-first centuries. The model undersimulates patterns important for ice loss, such as broad high pressures over the continents and ice cover, and …
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Downward influence of stratospheric final warming events in an idealized model
… warmings. Results from a comprehensive global climate model, the Whole-Atmosphere Community Climate Model (WACCM), are used to analyze the final warmings in both hemispheres. Although WACCM has zonal winds that are too strong in the spring, which causes the mean onset dates to be delayed at …
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Conceptualising and quantifying the nonlinear, chaotic climate: implications for climate model experimental design
Uncertainty in climate system initial conditions (ICs) is known to limit the predictability of future atmospheric states. On weather time scales (i.e. hours to days), the separation between two atmospheric model trajectories, initially "indistinguishable" (compared to unavoidable uncertainties) …
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NARCCAP Model Assessment and Future Projections For the Southeast United States
<p>Global climate models (GCMs) provide most climate change projections, but their coarse resolution must be downscaled to more local scales in order to conduct meaningful climate impact assessments. This dissertation investigates dynamically downscaled regional climate model (RCM) output from the …
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“If it happened in…” a pseudo-global warming assessment of tropical cyclone tornadoes
… is to investigate the impacts of anthropogenic climate change on the production of tornadoes by tropical cyclones (TCs) making landfall in the United States Atlantic Basin. Hurricane Ivan (2004), a prolific tropical cyclone tornado (TCT)-producing storm, is the particular case under …
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Ozone Chemistry in the Lower Stratosphere: Drivers, Trends, and Impacts
… to our ability to represent them in chemistry-climate models. This work is driven by the belief that improved understanding of the fundamentals of stratospheric chemical and physical processes can simultaneously advance science and help society in evaluating past policy decisions and informing …
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On the Interaction between Gravity Waves and Atmospheric Thermal Tides
… in GCMs. The Specified Dynamics Whole Atmosphere Community Climate Model (SD-WACCM) and the extended Canadian Middle Atmosphere Model (eCMAM) are used for this analysis. The gravity wave parameterization schemes in the eCMAM (Hines scheme) have been shown to enhance the tidal amplitudes compared …
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Studies of gravity wave and thermal tide and their interactions in the middle atmosphere
… Scale Wave Model (GSWM) and the Whole Atmosphere Community Climate Model (WACCM) while discrepancies are also presented and discussed. Since the WACCM is capable of reproducing the tidal seasonality, it is used to examine the physical mechanisms. First, the e ects of GW forcing and advection on …
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NATURE-BASED SOLUTIONS FOR FLOOD RISK MITIGATION: MAPPING AND HYDROLOGICAL MODELING IN AN UNDER-RESOURCED URBAN AREA ON THE MISSISSIPPI GULF COAST
… future development and land use in the face of climate change.</p>
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The Design of Post-Disaster Housing Units For The East Boston Community
Climate change poses a significant threat to the communities; over the next 50 years, sea level in East Boston can rise up to 14 feet, contributing to significant inland flooding that will occur unless mitigated by further development of flood pathways. Resultantly, many families will be displaced …